From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.bootlin.com ([62.4.15.54]) by merlin.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1ewVDx-0004r7-Uh for linux-mtd@lists.infradead.org; Thu, 15 Mar 2018 15:55:27 +0000 Date: Thu, 15 Mar 2018 16:54:54 +0100 From: Boris Brezillon To: Joakim Tjernlund Cc: "linux-mtd@lists.infradead.org" Subject: Re: [PATCH 0/3] mtd: fix AMD/Intel flash bugs Message-ID: <20180315165454.5bf24ec0@bbrezillon> In-Reply-To: <1520784361.4790.86.camel@infinera.com> References: <20180301133941.19660-1-joakim.tjernlund@infinera.com> <1520784361.4790.86.camel@infinera.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Sun, 11 Mar 2018 16:06:03 +0000 Joakim Tjernlund wrote: > On Thu, 2018-03-01 at 14:39 +0100, Joakim Tjernlund wrote: > > This fixes a bug which allows read/write to a erase block currently > > erasing. > > Also works around a chip bug in Micron 28F00AP30 chips. > > > > Joakim Tjernlund (3): > > cfi_cmdset_0001: Do not allow read/write to suspend erase block. > > cfi_cmdset_0001: Workaround Micron Erase suspend bug. > > cfi_cmdset_0002: Do not allow read/write to suspend erase block. > > > > drivers/mtd/chips/cfi_cmdset_0001.c | 33 ++++++++++++++++++++++++++++----- > > drivers/mtd/chips/cfi_cmdset_0002.c | 9 ++++++--- > > include/linux/mtd/flashchip.h | 1 + > > 3 files changed, 35 insertions(+), 8 deletions(-) > > > > Ping? You didn't Cc the MTD maintainers, so that's not surprising you don't get a reply from us :P. > This is a fairly serious bug as it confuses the flash state machine, > making further flash access fail. I'll try to have a look. > > Jocke > ______________________________________________________ > Linux MTD discussion mailing list > http://lists.infradead.org/mailman/listinfo/linux-mtd/ -- Boris Brezillon, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com